From a7967d1aeff0336ef4fb50175865747a88ec1a17 Mon Sep 17 00:00:00 2001
From: Jesse Rosenthal <jrosenthal@jhu.edu>
Date: Thu, 7 Aug 2014 12:20:22 -0400
Subject: Docx reader: Split math out into math module.
Could use some cleanup, but this is the first step for getting
an OMML reader into TeXMath.
---
src/Text/Pandoc/Readers/Docx.hs | 201 +-----------------
src/Text/Pandoc/Readers/Docx/Parse.hs | 373 +---------------------------------
2 files changed, 14 insertions(+), 560 deletions(-)
(limited to 'src')
diff --git a/src/Text/Pandoc/Readers/Docx.hs b/src/Text/Pandoc/Readers/Docx.hs
index b7c2ecd73..b6b511f8e 100644
--- a/src/Text/Pandoc/Readers/Docx.hs
+++ b/src/Text/Pandoc/Readers/Docx.hs
@@ -84,11 +84,10 @@ import Text.Pandoc.Readers.Docx.Lists
import Text.Pandoc.Readers.Docx.Reducible
import Text.Pandoc.Shared
import Text.Pandoc.MediaBag (insertMedia, MediaBag)
-import Data.Maybe (mapMaybe, fromMaybe)
-import Data.List (delete, stripPrefix, (\\), intersperse, intersect)
+import Data.Maybe (mapMaybe)
+import Data.List (delete, stripPrefix, (\\), intersect)
import Data.Monoid
import Text.TeXMath (writeTeX)
-import qualified Text.TeXMath.Types as TM
import Data.Default (Default)
import qualified Data.ByteString.Lazy as B
import qualified Data.Map as M
@@ -374,193 +373,8 @@ parPartToInlines (InternalHyperLink anchor runs) = do
parPartToInlines (ExternalHyperLink target runs) = do
ils <- concatMapM runToInlines runs
return [Link ils (target, "")]
-parPartToInlines (PlainOMath omath) = do
- e <- oMathToExps omath
- return [Math InlineMath (writeTeX e)]
-
-oMathToExps :: OMath -> DocxContext [TM.Exp]
-oMathToExps (OMath oMathElems) = concatMapM oMathElemToExps oMathElems
-
-oMathElemToExps :: OMathElem -> DocxContext [TM.Exp]
-oMathElemToExps (Accent style base) = do
- baseExp <- baseToExp base
- let chr = case accentChar style of
- Just c -> c
- Nothing -> '\180' -- default to acute.
- return [TM.EOver False baseExp (TM.ESymbol TM.Accent [chr])]
-oMathElemToExps(Bar style base) = do
- baseExp <- baseToExp base
- return $ case barPos style of
- Top -> [TM.EOver False baseExp (TM.ESymbol TM.Accent "\175")]
- Bottom -> [TM.EUnder False baseExp (TM.ESymbol TM.Accent "\818")]
-oMathElemToExps (Box base) =
- (\e -> return [e]) =<< baseToExp base
-oMathElemToExps (BorderBox base) =
- -- TODO: This should be "\\boxed" somehow
- (\e -> return [e]) =<< baseToExp base
-oMathElemToExps (Delimiter dPr bases) = do
- baseExps <- mapM baseToExp bases
- let inDelimExps = map Right baseExps
- beg = fromMaybe '(' (delimBegChar dPr)
- end = fromMaybe ')' (delimEndChar dPr)
- sep = fromMaybe '|' (delimSepChar dPr)
- exps = intersperse (Left [sep]) inDelimExps
- return [TM.EDelimited [beg] [end] exps]
-oMathElemToExps (EquationArray bases) = do
- let f b = do bs <- baseToExp' b
- return [bs]
- baseExps <- mapM f bases
- return [TM.EArray [] baseExps]
-oMathElemToExps (Fraction num denom) = do
- numExp <- concatMapM oMathElemToExps num >>= (return . TM.EGrouped)
- denExp <- concatMapM oMathElemToExps denom >>= (return . TM.EGrouped)
- return [TM.EFraction TM.NormalFrac numExp denExp]
-oMathElemToExps (Function fname base) = do
- -- We need a string for the fname, but omml gives it to us as a
- -- series of oMath elems. We're going to filter out the oMathRuns,
- -- which should work for us most of the time.
- let f :: OMathElem -> String
- f (OMathRun _ run) = runToString run
- f _ = ""
- fnameString = concatMap f fname
- baseExp <- baseToExp base
- return [TM.EMathOperator fnameString, baseExp]
-oMathElemToExps (Group style base)
- | Just Top <- groupPos style = do
- baseExp <- baseToExp base
- let chr = case groupChr style of
- Just c -> c
- Nothing -> '\65079' -- default to overbrace
- return [TM.EOver False baseExp (TM.ESymbol TM.Accent [chr])]
- | otherwise = do
- baseExp <- baseToExp base
- let chr = case groupChr style of
- Just c -> c
- Nothing -> '\65080' -- default to underbrace
- return [TM.EUnder False baseExp (TM.ESymbol TM.Accent [chr])]
-oMathElemToExps (LowerLimit base limElems) = do
- baseExp <- baseToExp base
- lim <- concatMapM oMathElemToExps limElems >>= (return . TM.EGrouped)
- return [TM.EUnder True lim baseExp]
-oMathElemToExps (UpperLimit base limElems) = do
- baseExp <- baseToExp base
- lim <- concatMapM oMathElemToExps limElems >>= (return . TM.EGrouped)
- return [TM.EOver True lim baseExp]
-oMathElemToExps (Matrix bases) = do
- rows <- mapM (mapM (\b -> baseToExp' b)) bases
- return [TM.EArray [TM.AlignCenter] rows]
-oMathElemToExps (NAry style sub sup base) = do
- subExps <- concatMapM oMathElemToExps sub
- supExps <- concatMapM oMathElemToExps sup
- baseExp <- baseToExp base
- let opChar = case nAryChar style of
- Just c -> c
- -- default to integral
- Nothing -> '\8747'
- return [ TM.ESubsup
- (TM.ESymbol TM.Op [opChar])
- (TM.EGrouped subExps)
- (TM.EGrouped supExps)
- , baseExp]
-oMathElemToExps (Phantom base) =
- (\e -> return [TM.EPhantom e]) =<< baseToExp base
-oMathElemToExps (Radical degree base) = do
- degExps <- concatMapM oMathElemToExps degree
- baseExp <- baseToExp base
- return $ case degExps of
- [] -> [TM.ESqrt baseExp]
- ds -> [TM.ERoot (TM.EGrouped ds) baseExp]
-oMathElemToExps (PreSubSuper sub sup base) = do
- subExps <- concatMapM oMathElemToExps sub
- supExps <- concatMapM oMathElemToExps sup
- baseExp <- baseToExp base
- return [ TM.ESubsup
- (TM.EIdentifier "") (TM.EGrouped subExps) (TM.EGrouped supExps)
- , baseExp]
-oMathElemToExps (Sub base sub) = do
- baseExp <- baseToExp base
- subExps <- concatMapM oMathElemToExps sub
- return [TM.ESub baseExp (TM.EGrouped subExps)]
-oMathElemToExps (SubSuper base sub sup) = do
- baseExp <- baseToExp base
- subExps <- concatMapM oMathElemToExps sub
- supExps <- concatMapM oMathElemToExps sup
- return [TM.ESubsup baseExp (TM.EGrouped subExps) (TM.EGrouped supExps)]
-oMathElemToExps (Super base sup) = do
- baseExp <- baseToExp base
- supExps <- concatMapM oMathElemToExps sup
- return [TM.ESuper baseExp (TM.EGrouped supExps)]
-oMathElemToExps (OMathRun sty run@(Run _ _))
- | NoStyle <- oMathRunTextStyle sty =
- return $ [TM.EIdentifier $ runToString run]
- | Nothing <- oMathRunStyleToTextType sty =
- return $ [TM.EIdentifier $ runToString run]
- | Just textType <- oMathRunStyleToTextType sty =
- return $ if oMathLit sty
- then [TM.EText textType (runToString run)]
- else [TM.EStyled textType [TM.EIdentifier $ runToString run]]
-oMathElemToExps (OMathRun _ _) = return []
-
-oMathRunStyleToTextType :: OMathRunStyle -> Maybe TM.TextType
-oMathRunStyleToTextType mrPr
- | Normal <- oMathRunTextStyle mrPr =
- Just $ TM.TextNormal
- | Styled scr sty <- oMathRunTextStyle mrPr
- ,Just OBold <- sty
- , Just OSansSerif <- scr =
- Just $ TM.TextSansSerifBold
- | Styled scr sty <- oMathRunTextStyle mrPr
- , Just OBoldItalic <- sty
- , Just OSansSerif <- scr =
- Just $ TM.TextSansSerifBoldItalic
- | Styled scr sty <- oMathRunTextStyle mrPr
- , Just OBold <- sty
- , Just OScript <- scr =
- Just $ TM.TextBoldScript
- | Styled scr sty <- oMathRunTextStyle mrPr
- , Just OBold <- sty
- , Just OFraktur <- scr =
- Just $ TM.TextBoldFraktur
- | Styled scr sty <- oMathRunTextStyle mrPr
- , Just OItalic <- sty
- , Just OSansSerif <- scr =
- Just $ TM.TextSansSerifItalic
- | Styled _ sty <- oMathRunTextStyle mrPr
- , Just OBold <- sty =
- Just $ TM.TextBold
- | Styled _ sty <- oMathRunTextStyle mrPr
- , Just OItalic <- sty =
- Just $ TM.TextItalic
- | Styled scr _ <- oMathRunTextStyle mrPr
- , Just OMonospace <- scr =
- Just $ TM.TextMonospace
- | Styled scr _ <- oMathRunTextStyle mrPr
- , Just OSansSerif <- scr =
- Just $ TM.TextSansSerif
- | Styled scr _ <- oMathRunTextStyle mrPr
- , Just ODoubleStruck <- scr =
- Just $ TM.TextDoubleStruck
- | Styled scr _ <- oMathRunTextStyle mrPr
- , Just OScript <- scr =
- Just $ TM.TextDoubleStruck
- | Styled scr _ <- oMathRunTextStyle mrPr
- , Just OFraktur <- scr =
- Just $ TM.TextFraktur
- | Styled _ sty <- oMathRunTextStyle mrPr
- , Just OBoldItalic <- sty =
- Just $ TM.TextBoldItalic
- | otherwise = Nothing
-
-
-
-baseToExp :: Base -> DocxContext TM.Exp
-baseToExp (Base mathElems) =
- concatMapM oMathElemToExps mathElems >>= (return . TM.EGrouped)
-
--- an ungrouped version of baseToExp
-baseToExp' :: Base -> DocxContext [TM.Exp]
-baseToExp' (Base mathElems) =
- concatMapM oMathElemToExps mathElems
+parPartToInlines (PlainOMath exps) = do
+ return [Math InlineMath (writeTeX exps)]
isAnchorSpan :: Inline -> Bool
@@ -686,11 +500,10 @@ bodyPartToBlocks (Tbl cap _ look (r:rs)) = do
widths = replicate size 0 :: [Double]
return [Table caption alignments widths hdrCells cells]
-bodyPartToBlocks (OMathPara _ maths) = do
- omaths <- mapM oMathToExps maths
+bodyPartToBlocks (OMathPara exps) = do
return [Para $
- map (\m -> Math DisplayMath (writeTeX m))
- omaths]
+ map (\e -> Math DisplayMath (writeTeX e))
+ exps]
-- replace targets with generated anchors.
rewriteLink :: Inline -> DocxContext Inline
diff --git a/src/Text/Pandoc/Readers/Docx/Parse.hs b/src/Text/Pandoc/Readers/Docx/Parse.hs
index 96210c31a..6411395c9 100644
--- a/src/Text/Pandoc/Readers/Docx/Parse.hs
+++ b/src/Text/Pandoc/Readers/Docx/Parse.hs
@@ -36,19 +36,6 @@ module Text.Pandoc.Readers.Docx.Parse ( Docx(..)
, BodyPart(..)
, TblLook(..)
, ParPart(..)
- , OMath(..)
- , OMathElem(..)
- , Base(..)
- , TopBottom(..)
- , AccentStyle(..)
- , BarStyle(..)
- , NAryStyle(..)
- , DelimStyle(..)
- , GroupStyle(..)
- , OMathRunStyle(..)
- , OMathRunTextStyle(..)
- , OMathTextScript(..)
- , OMathTextStyle(..)
, Run(..)
, RunElem(..)
, Notes
@@ -74,6 +61,8 @@ import qualified Text.Pandoc.UTF8 as UTF8
import Control.Monad.Reader
import qualified Data.Map as M
import Text.Pandoc.Compat.Except
+import Text.Pandoc.Readers.Docx.OMath (elemToExps)
+import Text.TeXMath (Exp)
data ReaderEnv = ReaderEnv { envNotes :: Notes
, envNumbering :: Numbering
@@ -161,7 +150,7 @@ defaultParagraphStyle = ParagraphStyle { pStyle = []
data BodyPart = Paragraph ParagraphStyle [ParPart]
| ListItem ParagraphStyle String String Level [ParPart]
| Tbl String TblGrid TblLook [Row]
- | OMathPara OMathParaStyle [OMath]
+ | OMathPara [[Exp]]
deriving Show
type TblGrid = [Integer]
@@ -185,100 +174,9 @@ data ParPart = PlainRun Run
| InternalHyperLink Anchor [Run]
| ExternalHyperLink URL [Run]
| Drawing FilePath B.ByteString
- | PlainOMath OMath
+ | PlainOMath [Exp]
deriving Show
-data OMath = OMath [OMathElem]
- deriving Show
-
-data OMathElem = Accent AccentStyle Base
- | Bar BarStyle Base
- | Box Base
- | BorderBox Base
- | Delimiter DelimStyle [Base]
- | EquationArray [Base]
- | Fraction [OMathElem] [OMathElem]
- | Function [OMathElem] Base
- | Group GroupStyle Base
- | LowerLimit Base [OMathElem]
- | UpperLimit Base [OMathElem]
- | Matrix [[Base]]
- | NAry NAryStyle [OMathElem] [OMathElem] Base
- | Phantom Base
- | Radical [OMathElem] Base
- | PreSubSuper [OMathElem] [OMathElem] Base
- | Sub Base [OMathElem]
- | SubSuper Base [OMathElem] [OMathElem]
- | Super Base [OMathElem]
- | OMathRun OMathRunStyle Run
- deriving Show
-
-data Base = Base [OMathElem]
- deriving Show
-
--- placeholders
-type OMathParaStyle = [String]
-
-data TopBottom = Top | Bottom
- deriving Show
-
-data AccentStyle = AccentStyle { accentChar :: Maybe Char }
- deriving Show
-
-data BarStyle = BarStyle { barPos :: TopBottom}
- deriving Show
-
-data NAryStyle = NAryStyle { nAryChar :: Maybe Char
- , nAryLimLoc :: LimLoc}
- deriving Show
-
-data OMathRunStyle = OMathRunStyle { oMathLit :: Bool
- , oMathRunTextStyle :: OMathRunTextStyle }
- deriving Show
-
-data OMathRunTextStyle = NoStyle
- | Normal
- | Styled { oMathScript :: Maybe OMathTextScript
- , oMathStyle :: Maybe OMathTextStyle }
- deriving Show
-
-data OMathTextScript = ORoman
- | OScript
- | OFraktur
- | ODoubleStruck
- | OSansSerif
- | OMonospace
- deriving (Show, Eq)
-
-data OMathTextStyle = OPlain
- | OBold
- | OItalic
- | OBoldItalic
- deriving (Show, Eq)
-
-defaultNAryStyle :: NAryStyle
-defaultNAryStyle = NAryStyle { nAryChar = Nothing -- integral, in practice
- , nAryLimLoc = SubSup }
-
-data LimLoc = SubSup | UnderOver deriving Show
-
-data DelimStyle = DelimStyle { delimBegChar :: Maybe Char
- , delimSepChar :: Maybe Char
- , delimEndChar :: Maybe Char}
- deriving Show
-
-defaultDelimStyle :: DelimStyle
-defaultDelimStyle = DelimStyle { delimBegChar = Nothing
- , delimSepChar = Nothing
- , delimEndChar = Nothing }
-
-data GroupStyle = GroupStyle { groupChr :: Maybe Char
- , groupPos :: Maybe TopBottom }
- deriving Show
-
-defaultGroupStyle :: GroupStyle
-defaultGroupStyle = GroupStyle {groupChr = Nothing, groupPos = Nothing}
-
data Run = Run RunStyle [RunElem]
| Footnote [BodyPart]
| Endnote [BodyPart]
@@ -576,9 +474,8 @@ elemToBodyPart ns element
| isElem ns "w" "p" element
, (c:_) <- findChildren (elemName ns "m" "oMathPara") element =
do
- let style = [] -- placeholder
- maths <- mapD (elemToMath ns) (elChildren c)
- return $ OMathPara style maths
+ expsLst <- mapD (\e -> (maybeToD $ elemToExps ns e)) (elChildren c)
+ return $ OMathPara expsLst
elemToBodyPart ns element
| isElem ns "w" "p" element
, Just (numId, lvl) <- elemToNumInfo ns element = do
@@ -614,262 +511,6 @@ elemToBodyPart ns element
return $ Tbl caption grid tblLook rows
elemToBodyPart _ _ = throwError WrongElem
-elemToMath :: NameSpaces -> Element -> D OMath
-elemToMath ns element | isElem ns "m" "oMath" element =
- mapD (elemToMathElem ns) (elChildren element) >>=
- (\es -> return $ OMath es)
-elemToMath _ _ = throwError WrongElem
-
-elemToBase :: NameSpaces -> Element -> D Base
-elemToBase ns element | isElem ns "m" "e" element =
- mapD (elemToMathElem ns) (elChildren element) >>=
- (\es -> return $ Base es)
-elemToBase _ _ = throwError WrongElem
-
--- TODO: The right way to do this is to use the ampersand to break the
--- text lines into multiple columns. That's tricky, though, and this
--- will get us most of the way for the time being.
-filterAmpersand :: OMathElem -> OMathElem
-filterAmpersand (OMathRun mrPr (Run wrPr elems)) =
- let f (TextRun s) = TextRun $ filter ('&' /=) s
- f re = re
- in
- OMathRun mrPr $ Run wrPr (map f elems)
-filterAmpersand e = e
-
-elemToBaseNoAmpersand :: NameSpaces -> Element -> D Base
-elemToBaseNoAmpersand ns element | isElem ns "m" "e" element =
- mapD
- (\e -> (elemToMathElem ns e >>= (return . filterAmpersand)))
- (elChildren element) >>=
- (\es -> return $ Base es)
-elemToBaseNoAmpersand _ _ = throwError WrongElem
-
-
-elemToOMathRunStyle :: NameSpaces -> Element -> OMathRunStyle
-elemToOMathRunStyle ns element =
- let lit =
- case
- findChild (elemName ns "m" "lit") element >>=
- findAttr (elemName ns "m" "val")
- of
- Just "on" -> True
- _ -> False
- in
- OMathRunStyle { oMathLit = lit
- , oMathRunTextStyle = (elemToOMathRunTextStyle ns element)
- }
-
-elemToOMathRunTextStyle :: NameSpaces -> Element -> OMathRunTextStyle
-elemToOMathRunTextStyle ns element
- | Just mrPr <- findChild (elemName ns "m" "rPr") element
- , Just _ <- findChild (elemName ns "m" "nor") mrPr =
- Normal
- | Just mrPr <- findChild (elemName ns "m" "rPr") element =
- let scr =
- case
- findChild (elemName ns "m" "scr") mrPr >>=
- findAttr (elemName ns "m" "val")
- of
- Just "roman" -> Just ORoman
- Just "script" -> Just OScript
- Just "fraktur" -> Just OFraktur
- Just "double-struck" -> Just ODoubleStruck
- Just "sans-serif" -> Just OSansSerif
- Just "monospace" -> Just OMonospace
- _ -> Nothing
-
- sty =
- case
- findChild (elemName ns "m" "sty") mrPr >>=
- findAttr (elemName ns "m" "val")
- of
- Just "p" -> Just OPlain
- Just "b" -> Just OBold
- Just "i" -> Just OItalic
- Just "bi" -> Just OBoldItalic
- _ -> Nothing
- in
- Styled { oMathScript = scr, oMathStyle = sty }
- | otherwise = NoStyle
-
-
-
-elemToNAryStyle :: NameSpaces -> Element -> NAryStyle
-elemToNAryStyle ns element
- | Just narypr <- findChild (QName "naryPr" (lookup "m" ns) (Just "m")) element =
- let
- chr = findChild (QName "chr" (lookup "m" ns) (Just "m")) narypr >>=
- findAttr (QName "val" (lookup "m" ns) (Just "m")) >>=
- Just . head
- limLoc = findChild (QName "limLoc" (lookup "m" ns) (Just "m")) narypr >>=
- findAttr (QName "val" (lookup "m" ns) (Just "m"))
- limLoc' = case limLoc of
- Just "undOver" -> UnderOver
- Just "subSup" -> SubSup
- _ -> SubSup
- in
- NAryStyle { nAryChar = chr, nAryLimLoc = limLoc'}
-elemToNAryStyle _ _ = defaultNAryStyle
-
-elemToDelimStyle :: NameSpaces -> Element -> DelimStyle
-elemToDelimStyle ns element
- | Just dPr <- findChild (QName "dPr" (lookup "m" ns) (Just "m")) element =
- let begChr = findChild (QName "begChr" (lookup "m" ns) (Just "m")) dPr >>=
- findAttr (QName "val" (lookup "m" ns) (Just "m")) >>=
- (\c -> if null c then (Just ' ') else (Just $ head c))
- sepChr = findChild (QName "sepChr" (lookup "m" ns) (Just "m")) dPr >>=
- findAttr (QName "val" (lookup "m" ns) (Just "m")) >>=
- (\c -> if null c then (Just ' ') else (Just $ head c))
- endChr = findChild (QName "endChr" (lookup "m" ns) (Just "m")) dPr >>=
- findAttr (QName "val" (lookup "m" ns) (Just "m")) >>=
- (\c -> if null c then (Just ' ') else (Just $ head c))
- in
- DelimStyle { delimBegChar = begChr
- , delimSepChar = sepChr
- , delimEndChar = endChr}
-elemToDelimStyle _ _ = defaultDelimStyle
-
-elemToGroupStyle :: NameSpaces -> Element -> GroupStyle
-elemToGroupStyle ns element
- | Just gPr <- findChild (QName "groupChrPr" (lookup "m" ns) (Just "m")) element =
- let chr = findChild (QName "chr" (lookup "m" ns) (Just "m")) gPr >>=
- findAttr (QName "val" (lookup "m" ns) (Just "m")) >>=
- Just . head
- pos = findChild (QName "pos" (lookup "m" ns) (Just "m")) gPr >>=
- findAttr (QName "val" (lookup "m" ns) (Just "m")) >>=
- (\s -> Just $ if s == "top" then Top else Bottom)
- in
- GroupStyle { groupChr = chr, groupPos = pos }
-elemToGroupStyle _ _ = defaultGroupStyle
-
-elemToMathElem :: NameSpaces -> Element -> D OMathElem
-elemToMathElem ns element | isElem ns "m" "acc" element = do
- let accChar =
- findChild (elemName ns "m" "accPr") element >>=
- findChild (elemName ns "m" "chr") >>=
- findAttr (elemName ns "m" "val") >>=
- Just . head
- accPr = AccentStyle { accentChar = accChar}
- base <-(maybeToD $ findChild (elemName ns "m" "e") element) >>=
- elemToBase ns
- return $ Accent accPr base
-elemToMathElem ns element | isElem ns "m" "bar" element = do
- barPr <- maybeToD $
- findChild (QName "barPr" (lookup "m" ns) (Just "m")) element >>=
- findChild (QName "pos" (lookup "m" ns) (Just "m")) >>=
- findAttr (QName "val" (lookup "m" ns) (Just "m")) >>=
- (\s ->
- Just $ BarStyle {
- barPos = (if s == "bot" then Bottom else Top)
- })
- base <-maybeToD (findChild (QName "e" (lookup "m" ns) (Just "m")) element) >>=
- elemToBase ns
- return $ Bar barPr base
-elemToMathElem ns element | isElem ns "m" "box" element =
- maybeToD (findChild (elemName ns "m" "e") element) >>=
- elemToBase ns >>=
- (\b -> return $ Box b)
-elemToMathElem ns element | isElem ns "m" "borderBox" element =
- maybeToD (findChild (elemName ns "m" "e") element) >>=
- elemToBase ns >>=
- (\b -> return $ BorderBox b)
-elemToMathElem ns element | isElem ns "m" "d" element =
- let style = elemToDelimStyle ns element
- in
- mapD (elemToBase ns) (elChildren element) >>=
- (\es -> return $ Delimiter style es)
-elemToMathElem ns element | isElem ns "m" "eqArr" element =
- mapD (elemToBaseNoAmpersand ns) (elChildren element) >>=
- (\es -> return $ EquationArray es)
-elemToMathElem ns element | isElem ns "m" "f" element = do
- num <- maybeToD $ findChild (elemName ns "m" "num") element
- den <- maybeToD $ findChild (elemName ns "m" "den") element
- numElems <- mapD (elemToMathElem ns) (elChildren num)
- denElems <- mapD (elemToMathElem ns) (elChildren den)
- return $ Fraction numElems denElems
-elemToMathElem ns element | isElem ns "m" "func" element = do
- fName <- maybeToD $ findChild (elemName ns "m" "fName") element
- base <- maybeToD (findChild (elemName ns "m" "e") element) >>=
- elemToBase ns
- fnElems <- mapD (elemToMathElem ns) (elChildren fName)
- return $ Function fnElems base
-elemToMathElem ns element | isElem ns "m" "groupChr" element =
- let style = elemToGroupStyle ns element
- in
- maybeToD (findChild (elemName ns "m" "e") element) >>=
- elemToBase ns >>=
- (\b -> return $ Group style b)
-elemToMathElem ns element | isElem ns "m" "limLow" element = do
- base <- maybeToD (findChild (elemName ns "m" "e") element)
- >>= elemToBase ns
- lim <- maybeToD $ findChild (elemName ns "m" "lim") element
- limElems <- mapD (elemToMathElem ns) (elChildren lim)
- return $ LowerLimit base limElems
-elemToMathElem ns element | isElem ns "m" "limUpp" element = do
- base <- maybeToD (findChild (elemName ns "m" "e") element)
- >>= elemToBase ns
- lim <- maybeToD $ findChild (elemName ns "m" "lim") element
- limElems <- mapD (elemToMathElem ns) (elChildren lim)
- return $ UpperLimit base limElems
-elemToMathElem ns element | isElem ns "m" "m" element = do
- let rows = findChildren (elemName ns "m" "mr") element
- bases <- mapD (\mr -> mapD (elemToBase ns) (elChildren mr)) rows
- return $ Matrix bases
-elemToMathElem ns element | isElem ns "m" "nary" element = do
- let style = elemToNAryStyle ns element
- sub <- maybeToD (findChild (elemName ns "m" "sub") element) >>=
- (\e -> mapD (elemToMathElem ns) (elChildren e))
- sup <- maybeToD (findChild (elemName ns "m" "sup") element) >>=
- (\e -> mapD (elemToMathElem ns) (elChildren e))
- base <- maybeToD (findChild (elemName ns "m" "e") element) >>=
- elemToBase ns
- return $ NAry style sub sup base
-elemToMathElem ns element | isElem ns "m" "rad" element = do
- deg <- maybeToD (findChild (elemName ns "m" "deg") element) >>=
- (\e -> mapD (elemToMathElem ns) (elChildren e))
- base <- maybeToD (findChild (elemName ns "m" "e") element) >>=
- elemToBase ns
- return $ Radical deg base
-elemToMathElem ns element | isElem ns "m" "phant" element = do
- base <- maybeToD (findChild (elemName ns "m" "e") element) >>=
- elemToBase ns
- return $ Phantom base
-elemToMathElem ns element | isElem ns "m" "sPre" element = do
- sub <- maybeToD (findChild (elemName ns "m" "sub") element) >>=
- (\e -> mapD (elemToMathElem ns) (elChildren e))
- sup <- maybeToD (findChild (elemName ns "m" "sup") element) >>=
- (\e -> mapD (elemToMathElem ns) (elChildren e))
- base <- maybeToD (findChild (elemName ns "m" "e") element) >>=
- elemToBase ns
- return $ PreSubSuper sub sup base
-elemToMathElem ns element | isElem ns "m" "sSub" element = do
- base <- maybeToD (findChild (elemName ns "m" "e") element) >>=
- elemToBase ns
- sub <- maybeToD (findChild (elemName ns "m" "sub") element) >>=
- (\e -> mapD (elemToMathElem ns) (elChildren e))
- return $ Sub base sub
-elemToMathElem ns element | isElem ns "m" "sSubSup" element = do
- base <- maybeToD (findChild (elemName ns "m" "e") element) >>=
- elemToBase ns
- sub <- maybeToD (findChild (elemName ns "m" "sub") element) >>=
- (\e -> mapD (elemToMathElem ns) (elChildren e))
- sup <- maybeToD (findChild (elemName ns "m" "sup") element) >>=
- (\e -> mapD (elemToMathElem ns) (elChildren e))
- return $ SubSuper base sub sup
-elemToMathElem ns element | isElem ns "m" "sSup" element = do
- base <- maybeToD (findChild (elemName ns "m" "e") element) >>=
- elemToBase ns
- sup <- maybeToD (findChild (elemName ns "m" "sup") element) >>=
- (\e -> mapD (elemToMathElem ns) (elChildren e))
- return $ Super base sup
-elemToMathElem ns element | isElem ns "m" "r" element = do
- let mrPr = elemToOMathRunStyle ns element
- wrPr = elemToRunStyle ns element
- relems <- elemToRunElems ns element
- return $ OMathRun mrPr $ Run wrPr relems
-elemToMathElem _ _ = throwError WrongElem
-
lookupRelationship :: RelId -> [Relationship] -> Maybe Target
lookupRelationship relid rels =
lookup relid (map (\(Relationship pair) -> pair) rels)
@@ -933,7 +574,7 @@ elemToParPart ns element
Nothing -> ExternalHyperLink "" runs
elemToParPart ns element
| isElem ns "m" "oMath" element =
- elemToMath ns element >>= (return . PlainOMath)
+ (maybeToD $ elemToExps ns element) >>= (return . PlainOMath)
elemToParPart _ _ = throwError WrongElem
lookupFootnote :: String -> Notes -> Maybe Element
--
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